Vulnerability-Lookup

CNVD-2019-23077

Vulnerability from cnvd - Published: 2019-07-18

Title

NGINX njs缓冲区溢出漏洞（CNVD-2019-23077）

Description

NGINX是美国NGINX公司的一款轻量级Web服务器/反向代理服务器及电子邮件（IMAP/POP3）代理服务器。njs是其中的一个支持扩展NGINX功能的脚本语言组件。 NGINX中使用的njs 0.3.3及之前版本的nxt/nxt_sprintf.c文件的nxt_vsprintf存在缓冲区溢出漏洞。该漏洞源于网络系统或产品在内存上执行操作时，未正确验证数据边界，导致向关联的其他内存位置上执行了错误的读写操作。攻击者可利用该漏洞导致缓冲区溢出或堆溢出等。

Severity

中

Formal description

目前厂商暂未发布修复措施解决此安全问题，建议使用此软件的用户随时关注厂商主页或参考网址以获取解决办法： https://www.nginx.com/

Reference

https://github.com/nginx/njs/issues/174 https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=15093 https://nvd.nist.gov/vuln/detail/CVE-2019-13617

Impacted products

Name
Nginx Nginx <=0.3.3

Show details on source website

JSON

To clipboard

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  "cves": {
    "cve": {
      "cveNumber": "CVE-2019-13617"
    }
  },
  "description": "NGINX\u662f\u7f8e\u56fdNGINX\u516c\u53f8\u7684\u4e00\u6b3e\u8f7b\u91cf\u7ea7Web\u670d\u52a1\u5668/\u53cd\u5411\u4ee3\u7406\u670d\u52a1\u5668\u53ca\u7535\u5b50\u90ae\u4ef6\uff08IMAP/POP3\uff09\u4ee3\u7406\u670d\u52a1\u5668\u3002njs\u662f\u5176\u4e2d\u7684\u4e00\u4e2a\u652f\u6301\u6269\u5c55NGINX\u529f\u80fd\u7684\u811a\u672c\u8bed\u8a00\u7ec4\u4ef6\u3002\n\nNGINX\u4e2d\u4f7f\u7528\u7684njs 0.3.3\u53ca\u4e4b\u524d\u7248\u672c\u7684nxt/nxt_sprintf.c\u6587\u4ef6\u7684nxt_vsprintf\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u3002\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7f51\u7edc\u7cfb\u7edf\u6216\u4ea7\u54c1\u5728\u5185\u5b58\u4e0a\u6267\u884c\u64cd\u4f5c\u65f6\uff0c\u672a\u6b63\u786e\u9a8c\u8bc1\u6570\u636e\u8fb9\u754c\uff0c\u5bfc\u81f4\u5411\u5173\u8054\u7684\u5176\u4ed6\u5185\u5b58\u4f4d\u7f6e\u4e0a\u6267\u884c\u4e86\u9519\u8bef\u7684\u8bfb\u5199\u64cd\u4f5c\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u7f13\u51b2\u533a\u6ea2\u51fa\u6216\u5806\u6ea2\u51fa\u7b49\u3002",
  "discovererName": "unKnow",
  "formalWay": "\u76ee\u524d\u5382\u5546\u6682\u672a\u53d1\u5e03\u4fee\u590d\u63aa\u65bd\u89e3\u51b3\u6b64\u5b89\u5168\u95ee\u9898\uff0c\u5efa\u8bae\u4f7f\u7528\u6b64\u8f6f\u4ef6\u7684\u7528\u6237\u968f\u65f6\u5173\u6ce8\u5382\u5546\u4e3b\u9875\u6216\u53c2\u8003\u7f51\u5740\u4ee5\u83b7\u53d6\u89e3\u51b3\u529e\u6cd5\uff1a\r\nhttps://www.nginx.com/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2019-23077",
  "openTime": "2019-07-18",
  "products": {
    "product": "Nginx Nginx \u003c=0.3.3"
  },
  "referenceLink": "https://github.com/nginx/njs/issues/174\r\nhttps://bugs.chromium.org/p/oss-fuzz/issues/detail?id=15093\r\nhttps://nvd.nist.gov/vuln/detail/CVE-2019-13617",
  "serverity": "\u4e2d",
  "submitTime": "2019-07-17",
  "title": "NGINX njs\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff08CNVD-2019-23077\uff09"
}

CVE-2019-13617 (GCVE-0-2019-13617)

Vulnerability from cvelistv5 – Published: 2019-07-16 16:07 – Updated: 2024-08-04 23:57

Summary

njs through 0.3.3, used in NGINX, has a heap-based buffer over-read in nxt_vsprintf in nxt/nxt_sprintf.c during error handling, as demonstrated by an njs_regexp_literal call that leads to an njs_parser_lexer_error call and then an njs_parser_scope_error call.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

2 references

URL	Tags
https://github.com/nginx/njs/issues/174	x_refsource_MISC
https://bugs.chromium.org/p/oss-fuzz/issues/detai…	x_refsource_MISC

Show details on NVD website

JSON

To clipboard

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Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

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Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

CNVD-2019-23077

CVE-2019-13617 (GCVE-0-2019-13617)

Tags

Sightings

Nomenclature

Related by attack behaviour